Milpitas is a city in Santa Clara County, California. It is situated with San Jose to its south and Fremont to its north, at the eastern end of State Route 237 and generally between Interstates 680 and 880 which run roughly north–south through the city. With Alameda County bordering directly on the north, Milpitas sits in the extreme northeast section of the South Bay, bordering the East Bay and Fremont. Milpitas is also located within the Silicon Valley. The corporate headquarters of SonicWall, Maxtor, LSI Corporation, Adaptec, Intersil, FireEye, Viavi and Lumentum (formerly JDSU), KLA-Tencor, and View, Inc. sit within the industrial zones of Milpitas. Flex and Cisco also have offices in Milpitas. The population was estimated to be 84,169 in 2019 by the US Census.
Milpitas was first inhabited by the Tamyen (also spelled Thomien, Tamien, Thamien, or Tamiayn), a linguistic subgroup of the Muwekma Ohlone people who had resided in the San Francisco Bay Area for thousands of years. The Ohlone Indians lived a traditional life based on everyday hunting and gathering.